What are the five HOB spottings?

The five horizontal observed burst (HOB) spottings refer to the various types of adjustments or trajectories that can be noted when conducting fire support observations. The correct set includes "Air," "Graze," "Mixed," "Mixed Air," and "Mixed Graze." Each of these spottings helps fire support teams determine the effectiveness of the fire and make necessary adjustments for future rounds.

• "Air" indicates that the round has landed above the target and is not effective.

• "Graze" signifies that the round has skimmed the ground, potentially impacting enemy personnel or equipment at the intended location but less effective against fortifications.

• "Mixed" refers to rounds that may have had varying trajectories, while "Mixed Air" and "Mixed Graze" provide more precise descriptions for rounds that have not landed as intended but had a combination of air bursts and graze impacts.

Understanding these spottings is crucial for a successful FIST mission as they guide adjustments and enhance the effectiveness of fire support. Each of these terms conveys important, actionable information that can lead to more accurate and devastating fire missions.

The other answer choices include terms and concepts relevant to other aspects of fire support or military operations, but they do not specifically outline the H